Add a 'How To Play' screen

[naja.git] / naja / scenes / menu.py

diff --git a/naja/scenes/menu.py b/naja/scenes/menu.py
index 96c8c7a5677e8374458a1f2d1694d0209f6d274a..a94a0edd5e85342429702fbc6f700abf341adf6b 100644 (file)
--- a/naja/scenes/menu.py
+++ b/naja/scenes/menu.py
@@ -4,24 +4,73 @@ Main menu scene.
 
 import pygame.locals as pgl
 
+from naja.constants import KEYS, PALETTE
+from naja.events import SceneChangeEvent, QuitGameEvent
 from naja.scenes.scene import Scene
-from naja.widgets.text import TextWidget
-from naja.events import QuitGameEvent
 from naja.scenes.credits import CreditsScene
-from naja.events import SceneChangeEvent
+from naja.scenes.game import GameScene
+from naja.scenes.howto import HowtoScene
+from naja.scenes.load_save import LoadGameScene, SaveGameScene
+from naja.scenes.new_game import NewGameScene
+from naja.widgets.selector import SelectorWidget
+from naja.widgets.text import TextWidget
+
 
 class MenuScene(Scene):
+    def __init__(self, state):
+        super(MenuScene, self).__init__(state)
+        selector = SelectorWidget()
+        self.add(selector)
+        y_offset = 0
+
+        y_offset += 50
+        resume = TextWidget(
+            (100, y_offset), 'Resume Game', colour=PALETTE.WHITE,
+            unselectable_colour=PALETTE.GREY)
+        resume.add_callback('click', self.scene_callback(GameScene))
+        resume.set_selectable_callback(lambda: state is not None)
+        selector.add(resume)
+
+        y_offset += 50
+        new = TextWidget((100, y_offset), 'New Game', colour=PALETTE.WHITE)
+        new.add_callback('click', self.scene_callback(NewGameScene))
+        selector.add(new)
+
+        y_offset += 50
+        load = TextWidget((100, y_offset), 'Load', colour=PALETTE.WHITE)
+        load.add_callback('click', self.scene_callback(LoadGameScene))
+        selector.add(load)
+
+        y_offset += 50
+        save = TextWidget(
+            (100, y_offset), 'Save', colour=PALETTE.WHITE,
+            unselectable_colour=PALETTE.GREY)
+        save.add_callback('click', self.scene_callback(SaveGameScene))
+        save.set_selectable_callback(lambda: state is not None)
+        selector.add(save)
+
+        y_offset += 50
+        howto = TextWidget(
+            (100, y_offset), 'How To Play', fontsize=32, colour='white')
+        howto.add_callback(
+            'click', lambda event: SceneChangeEvent.post(HowtoScene))
+        selector.add(howto)
+
+        y_offset += 50
+        credits = TextWidget((100, y_offset), 'Credits', colour=PALETTE.WHITE)
+        credits.add_callback('click', self.scene_callback(CreditsScene))
+        selector.add(credits)
+
+        y_offset += 50
+        quit = TextWidget((100, y_offset), 'Quit', colour=PALETTE.WHITE)
+        quit.add_callback('click', lambda event: QuitGameEvent.post())
+        selector.add(quit)
+
+    def scene_callback(self, scene_class):
+        return lambda event: SceneChangeEvent.post(scene_class)
 
-    def __init__(self):
-        super(MenuScene, self).__init__()
-        self.widgets.append(TextWidget((10, 10), 'Haai', fontsize=32,
-                            colour='white'))
-
-    def handle_event(self, ev):
-        if ev.type == pgl.KEYUP and ev.key in (pgl.K_q, pgl.K_ESCAPE):
-            QuitGameEvent.post()
-            return
-        if ev.type == pgl.KEYUP and ev.key is pgl.K_RETURN:
-            credits_menu = CreditsScene()
-            SceneChangeEvent.post(credits_menu)
-            return
+    def handle_scene_event(self, ev):
+        if ev.type == pgl.KEYDOWN:
+            if ev.key in KEYS.QUIT:
+                QuitGameEvent.post()
+                return